The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The final resting place of the most famous outlaw in the Old West.

This rustic old building is said to be the most photographed barn in America.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

Town not known for anything except its strange name.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The highest bridge in America was built for an almost unnervingly small amount of money.

The world-record holder for the longest bridge stretching continuously over water.

A B-17 bomber stands as a memorial to the residents of Tulare County who served in World War II.

A decommissioned Soviet airplane has been used as a movie theater and a cultural center.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

This French chateau is home to the world’s largest private collection of fighter jets.

An abandoned theme park with a strange and tumultuous past.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

A real flying saucer, contracted by the U.S. Air Force.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.